[Bug 1776996] Re: secureboot-db out of date, missing revocations from Aug 2016

[Brian Murray]

** Also affects: secureboot-db (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: secureboot-db (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: secureboot-db (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Changed in: secureboot-db (Ubuntu Trusty)
       Status: New => Triaged

** Changed in: secureboot-db (Ubuntu Xenial)
       Status: New => Triaged

** Changed in: secureboot-db (Ubuntu Bionic)
       Status: New => Triaged

** Changed in: secureboot-db (Ubuntu Trusty)
   Importance: Undecided => Medium

** Changed in: secureboot-db (Ubuntu Xenial)
   Importance: Undecided => Medium

** Changed in: secureboot-db (Ubuntu Bionic)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1776996

Title:
  secureboot-db out of date, missing revocations from Aug 2016

Status in secureboot-db package in Ubuntu:
  Fix Released
Status in secureboot-db source package in Trusty:
  Triaged
Status in secureboot-db source package in Xenial:
  Triaged
Status in secureboot-db source package in Bionic:
  Triaged

Bug description:
  A signed variable update for secureboot dbx has been published by
  Microsoft to uefi.org; last updated 2016-08-11:
  http://www.uefi.org/sites/default/files/resources/dbxupdate.zip

  This file has not been included in the secureboot-db package in
  Ubuntu; so users who only boot Ubuntu and not Windows will not have
  these revocations applied, meaning their firmware will trust (and
  possibly be exploitable by) whatever binaries these revoked hashes
  correspond to.

  Separately, I seem in testing to be unable to apply this signed
  database update to my system using sbkeysync, despite having the
  Microsoft CA in my KEK.  So it's possible that sbkeysync doesn't work;
  we may need to either fix it, or switch to other code that does work,
  such as the dbxtool in Fedora.

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